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Home > Science > Astronomy   »   False color images taken by satellites

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Old Jul 24, 2008, 07:27 PM
DuBas07
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False color images taken by satellites
Nebulae have always fascinated me. Some of them astound me. Are the false color images colored by humans?

heres some of my favorites


http://members.fortunecity.com/nanab...lass-nebBG.jpg
http://www.stargazingforeveryone.com.../Horsehead.jpg
http://upload.wikimedia.org/wikipedi...ega_Nebula.jpg
http://www.nasa.gov/centers/jpl/imag...ula-browse.jpg

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Old Jul 24, 2008, 07:32 PM   #2  
N0help4u
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I love the hubble space photo sites

HubbleSite - Gallery

HubbleSite - Nebula Collection:

Hubble Space Photos - Index of Images
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Old Jul 25, 2008, 12:04 AM   #3  
Capuchin
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Quote:
Originally Posted by DuBas07
Nebulae have always fascinated me. Some of them astound me. Are the false color images colored by humans?

Yes - Most cameras that are used only measure intensity - not color. So an artist has to come along later to make it more interesting for publication by adding color.
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Old Jul 25, 2008, 12:12 AM   #4  
iAMfromHuntersBar
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Yeah, they really are beautiful!

Oh, and to answer your question, in short ... no! A computer does it all!

Here's a good page that describes it to a good depth;
Glossary: LRGB Color Production

*edit*

Apparently, some of the colours are added by humans! Ha ha, sorry!
HubbleSite - Behind the Pictures - Meaning of Color
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Old Jul 25, 2008, 06:33 AM   #5  
DuBas07
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Quote:
Originally Posted by iAMfromHuntersBar

Awesome link, provided all the info I desired.

As i traveled around the site I came across this HubbleSite - NewsCenter - Iain Neill Reid Appointed as Head of STScI Science Mission Office (07/08/2008) - Introduction He reminds of the guy from the monty python shows and movies..lol
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